Touch-Control Faucet Activator Mechanism Design
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Solution Overview
Problem
Conventional touch-control faucets face issues of water contamination due to direct contact with the activator, high cost, complex structure, and high failure rates, as well as limitations in space and aesthetics, particularly with the use of core shafts for controlling water flow.
Innovation Solution
A touch-control faucet design featuring a main body, positioning sleeve, water-saving valve, and activator with a pressing cap that allows water flow through water holes and a passing hole, enabling indirect operation and easy installation, while allowing for different water flow directions and types, and incorporating a restorer mechanism for automatic return.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users directly touch the activator to operate the water-saving valve, then the operation is simple and direct, but the water becomes contaminated by dirt on the user's fingers
Solution Approach 1:
The patent introduces an intermediary mechanism where the activator is positioned such that users press it from above without direct contact with water flow paths. The activator transmits mechanical force through a rod structure to operate the water-saving valve internally, allowing user operation while preventing contamination of water by finger dirt.
2Reliability
If conventional core shafts are used to control water flow and temperature, then the structure is traditional and reliable, but the operation requires larger space and reduces aesthetic quality
Solution Approach 1:
The patent extracts and eliminates the traditional core shaft mechanism from the faucet structure. Instead, it uses a streamlined activator with a rod structure that directly transmits force to operate the water-saving valve and temperature control components, simplifying the overall structure while maintaining control functionality.
Solution Approach 2:
The activator mechanism serves multiple functions: it controls water flow on/off through the water-saving valve, adjusts water temperature, and provides tactile feedback to users. This multi-functional design replaces what would traditionally require separate mechanisms for each function.
3Adaptability or versatility
If the faucet is installed near a wall with limited space, then the installation flexibility is improved, but the conventional core shaft cannot be operated due to insufficient operating range
Solution Approach 1:
The patent changes the operational dimension from lateral movement (required by core shafts) to vertical pressing motion. The activator is pressed downward along the vertical axis, which does not require horizontal clearance space, enabling installation near walls while maintaining full operability.
4Extent of automation
If conventional infrared sensitive faucets are used, then automatic control is achieved, but the cost is high and the structure is complicated with high failure rate
Solution Approach 1:
The patent employs a self-service mechanical mechanism where the activator directly transmits user pressure through a rod structure to operate the water-saving valve and temperature control. This eliminates the need for infrared sensors, electronic circuits, and power sources, achieving reliable operation with simple mechanical components that are low-cost and maintenance-free.
Data Source
AI summary
The faucet includes a main body, a positioning sleeve, a water-saving valve and an activator. The main body has an inlet end, an outlet end, a water channel and an outlet opening communicating with the water channel. The outlet opening is located on a wall of the outlet end. The positioning sleeve is fixed in the inlet end and has a water hole and a passing hole. The water hole communicates with the water channel and the outlet opening. The water-saving valve is disposed between the outlet end and the positioning sleeve and has an operating bar for controlling the water-saving valve to allow water in the water channel to flow toward the water hole. The activator has a pressing cap disposed on the outlet end. The pressing cap is slidable on the positioning sleeve and moves the operating bar when the pressing cap is pressed.